// 预设尺寸 都划分为15份

// 默认为 50
html {
    font-size: 50px;
}

a {
    text-decoration: none;
}

@number:15;
//320
@media screen and (min-width:320px) {
    html {
        font-size: (320px / @number);
    }
}
// 360
@media screen and (min-width:360px) {
    html {
        font-size: (360px / @number);
    }
}
//375
@media screen and (min-width:375px) {
    html {
        font-size: (375px / @number);
    }
}
//540
@media screen and (min-width:540px) {
    html {
        font-size: (540px / @number);
    }
}
//720
@media screen and (min-width:720px) {
    html {
        font-size: (720px / @number);
    }
}
//750
@media screen and (min-width:750px) {
    html {
        font-size: (750px / @number); 
    }
}